class Student:
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def show(self):
        print(self.name, self.age)

    def run(self):
        print(self.name, '正在运动')

    def read(self):
        print(self.name, '正在读书')

if __name__ == '__main__':
    s1 = Student('张三', 18)
    s1.show()
    s1.run()
    s1.read()
    print(dir(s1.run()))
